linux-kernel - Re: [PATCH 04/10] of/reserved_mem: Use dt_root_addr_size

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Message-ID: <202511132259.fWi45yHp-lkp@intel.com>
Date: Thu, 13 Nov 2025 22:21:53 +0800
From: kernel test robot <lkp@...el.com>
To: Yuntao Wang <yuntao.wang@...ux.dev>, Rob Herring <robh@...nel.org>,
	Saravana Kannan <saravanak@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Catalin Marinas <catalin.marinas@....com>,
	AKASHI Takahiro <takahiro.akashi@...aro.org>,
	James Morse <james.morse@....com>,
	Chen Zhou <chenzhou10@...wei.com>, Baoquan He <bhe@...hat.com>,
	Zhen Lei <thunder.leizhen@...wei.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Changyuan Lyu <changyuanl@...gle.com>,
	Alexander Graf <graf@...zon.com>,
	"Mike Rapoport (Microsoft)" <rppt@...nel.org>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Yuntao Wang <yuntao.wang@...ux.dev>
Subject: Re: [PATCH 04/10] of/reserved_mem: Use dt_root_addr_size_bytes()
 instead of open-coding it

Hi Yuntao,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.18-rc5 next-20251113]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yuntao-Wang/of-fdt-Introduce-dt_root_addr_size_cells-and-dt_root_addr_size_bytes/20251112-232000
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20251112143520.233870-5-yuntao.wang%40linux.dev
patch subject: [PATCH 04/10] of/reserved_mem: Use dt_root_addr_size_bytes() instead of open-coding it
config: nios2-randconfig-002-20251113 (https://download.01.org/0day-ci/archive/20251113/202511132259.fWi45yHp-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251113/202511132259.fWi45yHp-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511132259.fWi45yHp-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux: section mismatch in reference: dt_root_addr_size_bytes+0x0 (section: .text.unlikely) -> dt_root_addr_cells (section: .init.data)
>> WARNING: modpost: vmlinux: section mismatch in reference: dt_root_addr_size_bytes+0x4 (section: .text.unlikely) -> dt_root_size_cells (section: .init.data)
WARNING: modpost: vmlinux: section mismatch in reference: dt_root_addr_size_bytes+0x8 (section: .text.unlikely) -> dt_root_addr_cells (section: .init.data)
WARNING: modpost: vmlinux: section mismatch in reference: dt_root_addr_size_bytes+0xc (section: .text.unlikely) -> dt_root_size_cells (section: .init.data)
ERROR: modpost: "__divsi3_table" [lib/lz4/lz4_compress.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki